A study involving 529 adolescents showed an association between pesticide exposure and depression. The association was stronger among early teen girls. (https://www.sciencedirect.com/science/article/pii/S1438463919301178)
Depression in autism, as discussed in my book, may present with increased problem behaviors. Pesticide exposure has also been linked to ADHD and autism.
Organically grown produce needs to be for everyone, not just the ones who can afford it!